Phonograph record by Isa Genzken, featuring noises made by a Tri-Star aeroplane motor, one side painted by Gerhard Richter with grey nitro lacquer,

1981

17.5 cm (6 7/8 in.) diameter

signed and dated '81' in blue ink on the grey nitro lacquer and numbered 39/75 in black ink on the yellow label affixed to the reverse, published by Isa Genzken and Gerhard Richter, Düsseldorf, unframed, contained in a black card record sleeve.